Finding the Fourth Proportional to 83,249.86, 124,567.59 and 49,990.18

Step by Step Solution

1. Step 1: Write the proportion equation
   83,249.86 : 124,567.59 = 49,990.18 : x
2. Step 2: Convert to fraction form
   83,249.86/124,567.59 = 49,990.18/x
3. Step 3: Cross multiply
   83,249.86x = 124,567.59 × 49,990.18
4. Step 4: Simplify right side
   83,249.86x = 6,227,156,246.27
5. Step 5: Solve for x
   x = 6,227,156,246.27/83,249.86
6. Step 6: Final answer
   x = 74,800.80